Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 6 DWF Rainfall + DWF Rainfall + 2 DWF Equal to rainfall Rainfall + 6 DWF Rainfall + DWF Rainfall + 2 DWF Equal to rainfall ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 4 mm/hr 20 mm/hr 10 mm/hr 40 mm/hr 4 mm/hr 20 mm/hr 10 mm/hr 40 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming (i) and (iii) Only (i) (i) and (ii) All are correct (i) and (iii) Only (i) (i) and (ii) All are correct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the separate sewer system shall be taken as 3 × DWF 2 × DWF 6 × DWF Equal to dry weather flow (DWF) 3 × DWF 2 × DWF 6 × DWF Equal to dry weather flow (DWF) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The overflow rate for plain sedimentation tanks is about 1500 to 2000 liters/hour/m² 1000 to 1250 liters/hour/ m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1500 to 2000 liters/hour/m² 1000 to 1250 liters/hour/ m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most commonly used sewer under culverts is Horseshoe type sewer Circular brick sewer Circular cast iron sewer Semi-elliptical sewer Horseshoe type sewer Circular brick sewer Circular cast iron sewer Semi-elliptical sewer ANSWER DOWNLOAD EXAMIANS APP
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